# JPH02213785A - Position measuring method using artificial satellite - Google Patents

Position measuring method using artificial satellite

## Info

Publication number
JPH02213785A
JPH02213785A JP3406989A JP3406989A JPH02213785A JP H02213785 A JPH02213785 A JP H02213785A JP 3406989 A JP3406989 A JP 3406989A JP 3406989 A JP3406989 A JP 3406989A JP H02213785 A JPH02213785 A JP H02213785A
Authority
JP
Japan
Prior art keywords
hyperbola
axis
artificial satellites
ap
coordinates
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP3406989A
Inventor
Kenichi Inamiya
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP3406989A priority Critical patent/JPH02213785A/en
Priority claimed from US07/461,536 external-priority patent/US4987420A/en
Publication of JPH02213785A publication Critical patent/JPH02213785A/en
Pending legal-status Critical Current

## Abstract

PURPOSE: To calculate an observer's own position by putting artificial satellites having large angles of inclination into the static orbit in such a manner that the three artificial satellites are observed from the observer who has a signal receiver, a simple watch and a calculation processing argorithm.
CONSTITUTION: An X-axis 3 is the axis penetrating the artificial satellites 1, 2 and a Y-axis 4 has the origin at the mid-point of the X-axes of the artificial satellites 1, 2. Another artificial satellite 20 is assumed to exist on another X'Y' coordinates on this X-Y plane. The angle formed by the X-axis and the X'-axis is designated as 23, the hyperbola of the specified difference in the distance between AP and CP inclusive of an observation point P as 24, one of the intersected points of the hyperbola 6 and the hyperbola 24 as 25, and the straight line inclusive of the two points where the hyperbola 6 and the hyperbola 24 intersect as 26. The observation point P exists at the point of the condition under which the differences in the distances between AP and BP and AP and CP are constant between the artificial satellites 1, 2 and 20. The phenomena of these X-Y and X'Y' plane can be developed to the three- dimensional phenomena of the XYZ coordinates and X'Y'Z' coordinates as well.
JP3406989A 1989-02-14 1989-02-14 Position measuring method using artificial satellite Pending JPH02213785A (en)

## Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3406989A JPH02213785A (en) 1989-02-14 1989-02-14 Position measuring method using artificial satellite

## Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP3406989A JPH02213785A (en) 1989-02-14 1989-02-14 Position measuring method using artificial satellite
US07/461,536 US4987420A (en) 1989-01-11 1990-01-05 Method of determining a position using satellites
FR9000286A FR2645954B1 (en) 1989-01-11 1990-01-11 Method for determining a position using satellites
US07/571,760 US5105198A (en) 1989-01-11 1990-08-23 Method of determining a position using satellites

## Publications (1)

Publication Number Publication Date
JPH02213785A true JPH02213785A (en) 1990-08-24

# Family

## Family Applications (1)

Application Number Title Priority Date Filing Date
JP3406989A Pending JPH02213785A (en) 1989-02-14 1989-02-14 Position measuring method using artificial satellite

## Country Status (1)

JP (1) JPH02213785A (en)

## Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE40642E1 (en) 1995-05-31 2009-02-17 General Electric Company Reduced-power GPS-based system for tracking multiple objects from a central location

## Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62119476A (en) * 1985-11-20 1987-05-30 Meisei Electric Co Ltd Position measuring system
JPS63122976A (en) * 1986-11-13 1988-05-26 Mitsubishi Electric Corp Detection of observation position utilizing artificial satellite

## Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62119476A (en) * 1985-11-20 1987-05-30 Meisei Electric Co Ltd Position measuring system
JPS63122976A (en) * 1986-11-13 1988-05-26 Mitsubishi Electric Corp Detection of observation position utilizing artificial satellite

## Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE40642E1 (en) 1995-05-31 2009-02-17 General Electric Company Reduced-power GPS-based system for tracking multiple objects from a central location

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